W5500-Ethernet-Interface Makers / pppoe

WIZnet PPPoE application library

Dependents:   WIZnet_PPPoE

How to use??

1. Set MAC address, IP address, Subnet mask, gateway address.

2. Run ppp_start function.

End~

md5.cpp@0:7a9cde4dbf0b, 2014-10-29 (annotated)

Committer:
hjjeon
Date:
Wed Oct 29 06:17:02 2014 +0000
Revision:
0:7a9cde4dbf0b
WIZnet PPPoE application library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hjjeon 0:7a9cde4dbf0b 1 /*
hjjeon 0:7a9cde4dbf0b 2 ***********************************************************************
hjjeon 0:7a9cde4dbf0b 3 ** md5.c -- the source code for MD5 routines **
hjjeon 0:7a9cde4dbf0b 4 ** RSA Data Security, Inc. MD5 Message-Digest Algorithm **
hjjeon 0:7a9cde4dbf0b 5 ** Created: 2/17/90 RLR **
hjjeon 0:7a9cde4dbf0b 6 ** Revised: 1/91 SRD,AJ,BSK,JT Reference C ver., 7/10 constant corr. **
hjjeon 0:7a9cde4dbf0b 7 ***********************************************************************
hjjeon 0:7a9cde4dbf0b 8 */
hjjeon 0:7a9cde4dbf0b 9
hjjeon 0:7a9cde4dbf0b 10 /*
hjjeon 0:7a9cde4dbf0b 11 ***********************************************************************
hjjeon 0:7a9cde4dbf0b 12 ** Copyright (C) 1990, RSA Data Security, Inc. All rights reserved. **
hjjeon 0:7a9cde4dbf0b 13 ** **
hjjeon 0:7a9cde4dbf0b 14 ** License to copy and use this software is granted provided that **
hjjeon 0:7a9cde4dbf0b 15 ** it is identified as the "RSA Data Security, Inc. MD5 Message- **
hjjeon 0:7a9cde4dbf0b 16 ** Digest Algorithm" in all material mentioning or referencing this **
hjjeon 0:7a9cde4dbf0b 17 ** software or this function. **
hjjeon 0:7a9cde4dbf0b 18 ** **
hjjeon 0:7a9cde4dbf0b 19 ** License is also granted to make and use derivative works **
hjjeon 0:7a9cde4dbf0b 20 ** provided that such works are identified as "derived from the RSA **
hjjeon 0:7a9cde4dbf0b 21 ** Data Security, Inc. MD5 Message-Digest Algorithm" in all **
hjjeon 0:7a9cde4dbf0b 22 ** material mentioning or referencing the derived work. **
hjjeon 0:7a9cde4dbf0b 23 ** **
hjjeon 0:7a9cde4dbf0b 24 ** RSA Data Security, Inc. makes no representations concerning **
hjjeon 0:7a9cde4dbf0b 25 ** either the merchantability of this software or the suitability **
hjjeon 0:7a9cde4dbf0b 26 ** of this software for any particular purpose. It is provided "as **
hjjeon 0:7a9cde4dbf0b 27 ** is" without express or implied warranty of any kind. **
hjjeon 0:7a9cde4dbf0b 28 ** **
hjjeon 0:7a9cde4dbf0b 29 ** These notices must be retained in any copies of any part of this **
hjjeon 0:7a9cde4dbf0b 30 ** documentation and/or software. **
hjjeon 0:7a9cde4dbf0b 31 ***********************************************************************
hjjeon 0:7a9cde4dbf0b 32 */
hjjeon 0:7a9cde4dbf0b 33
hjjeon 0:7a9cde4dbf0b 34 //#include "lwip/opt.h"
hjjeon 0:7a9cde4dbf0b 35
hjjeon 0:7a9cde4dbf0b 36 //#if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
hjjeon 0:7a9cde4dbf0b 37
hjjeon 0:7a9cde4dbf0b 38 //#if CHAP_SUPPORT || MD5_SUPPORT
hjjeon 0:7a9cde4dbf0b 39
hjjeon 0:7a9cde4dbf0b 40 //#include "ppp.h"
hjjeon 0:7a9cde4dbf0b 41 //#include "pppdebug.h"
hjjeon 0:7a9cde4dbf0b 42
hjjeon 0:7a9cde4dbf0b 43 #include "md5.h"
hjjeon 0:7a9cde4dbf0b 44
hjjeon 0:7a9cde4dbf0b 45 #include <string.h>
hjjeon 0:7a9cde4dbf0b 46
hjjeon 0:7a9cde4dbf0b 47 /*
hjjeon 0:7a9cde4dbf0b 48 ***********************************************************************
hjjeon 0:7a9cde4dbf0b 49 ** Message-digest routines: **
hjjeon 0:7a9cde4dbf0b 50 ** To form the message digest for a message M **
hjjeon 0:7a9cde4dbf0b 51 ** (1) Initialize a context buffer mdContext using MD5Init **
hjjeon 0:7a9cde4dbf0b 52 ** (2) Call MD5Update on mdContext and M **
hjjeon 0:7a9cde4dbf0b 53 ** (3) Call MD5Final on mdContext **
hjjeon 0:7a9cde4dbf0b 54 ** The message digest is now in mdContext->digest[0...15] **
hjjeon 0:7a9cde4dbf0b 55 ***********************************************************************
hjjeon 0:7a9cde4dbf0b 56 */
hjjeon 0:7a9cde4dbf0b 57
hjjeon 0:7a9cde4dbf0b 58 /* forward declaration */
hjjeon 0:7a9cde4dbf0b 59 static void Transform (uint32_t *buf, uint32_t *in);
hjjeon 0:7a9cde4dbf0b 60
hjjeon 0:7a9cde4dbf0b 61 static unsigned char PADDING[64] = {
hjjeon 0:7a9cde4dbf0b 62 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
hjjeon 0:7a9cde4dbf0b 63 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
hjjeon 0:7a9cde4dbf0b 64 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
hjjeon 0:7a9cde4dbf0b 65 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
hjjeon 0:7a9cde4dbf0b 66 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
hjjeon 0:7a9cde4dbf0b 67 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
hjjeon 0:7a9cde4dbf0b 68 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
hjjeon 0:7a9cde4dbf0b 69 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
hjjeon 0:7a9cde4dbf0b 70 };
hjjeon 0:7a9cde4dbf0b 71
hjjeon 0:7a9cde4dbf0b 72 /* F, G, H and I are basic MD5 functions */
hjjeon 0:7a9cde4dbf0b 73 #define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
hjjeon 0:7a9cde4dbf0b 74 #define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
hjjeon 0:7a9cde4dbf0b 75 #define H(x, y, z) ((x) ^ (y) ^ (z))
hjjeon 0:7a9cde4dbf0b 76 #define I(x, y, z) ((y) ^ ((x) | (~z)))
hjjeon 0:7a9cde4dbf0b 77
hjjeon 0:7a9cde4dbf0b 78 /* ROTATE_LEFT rotates x left n bits */
hjjeon 0:7a9cde4dbf0b 79 #define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
hjjeon 0:7a9cde4dbf0b 80
hjjeon 0:7a9cde4dbf0b 81 /* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4 */
hjjeon 0:7a9cde4dbf0b 82 /* Rotation is separate from addition to prevent recomputation */
hjjeon 0:7a9cde4dbf0b 83 #define FF(a, b, c, d, x, s, ac) \
hjjeon 0:7a9cde4dbf0b 84 {(a) += F ((b), (c), (d)) + (x) + (uint32_t)(ac); \
hjjeon 0:7a9cde4dbf0b 85 (a) = ROTATE_LEFT ((a), (s)); \
hjjeon 0:7a9cde4dbf0b 86 (a) += (b); \
hjjeon 0:7a9cde4dbf0b 87 }
hjjeon 0:7a9cde4dbf0b 88 #define GG(a, b, c, d, x, s, ac) \
hjjeon 0:7a9cde4dbf0b 89 {(a) += G ((b), (c), (d)) + (x) + (uint32_t)(ac); \
hjjeon 0:7a9cde4dbf0b 90 (a) = ROTATE_LEFT ((a), (s)); \
hjjeon 0:7a9cde4dbf0b 91 (a) += (b); \
hjjeon 0:7a9cde4dbf0b 92 }
hjjeon 0:7a9cde4dbf0b 93 #define HH(a, b, c, d, x, s, ac) \
hjjeon 0:7a9cde4dbf0b 94 {(a) += H ((b), (c), (d)) + (x) + (uint32_t)(ac); \
hjjeon 0:7a9cde4dbf0b 95 (a) = ROTATE_LEFT ((a), (s)); \
hjjeon 0:7a9cde4dbf0b 96 (a) += (b); \
hjjeon 0:7a9cde4dbf0b 97 }
hjjeon 0:7a9cde4dbf0b 98 #define II(a, b, c, d, x, s, ac) \
hjjeon 0:7a9cde4dbf0b 99 {(a) += I ((b), (c), (d)) + (x) + (uint32_t)(ac); \
hjjeon 0:7a9cde4dbf0b 100 (a) = ROTATE_LEFT ((a), (s)); \
hjjeon 0:7a9cde4dbf0b 101 (a) += (b); \
hjjeon 0:7a9cde4dbf0b 102 }
hjjeon 0:7a9cde4dbf0b 103
hjjeon 0:7a9cde4dbf0b 104 #ifdef __STDC__
hjjeon 0:7a9cde4dbf0b 105 #define UL(x) x##UL
hjjeon 0:7a9cde4dbf0b 106 #else
hjjeon 0:7a9cde4dbf0b 107 #ifdef WIN32
hjjeon 0:7a9cde4dbf0b 108 #define UL(x) x##UL
hjjeon 0:7a9cde4dbf0b 109 #else
hjjeon 0:7a9cde4dbf0b 110 #define UL(x) x
hjjeon 0:7a9cde4dbf0b 111 #endif
hjjeon 0:7a9cde4dbf0b 112 #endif
hjjeon 0:7a9cde4dbf0b 113
hjjeon 0:7a9cde4dbf0b 114 /* The routine MD5Init initializes the message-digest context
hjjeon 0:7a9cde4dbf0b 115 mdContext. All fields are set to zero.
hjjeon 0:7a9cde4dbf0b 116 */
hjjeon 0:7a9cde4dbf0b 117 void
hjjeon 0:7a9cde4dbf0b 118 MD5Init (MD5_CTX *mdContext)
hjjeon 0:7a9cde4dbf0b 119 {
hjjeon 0:7a9cde4dbf0b 120 mdContext->i[0] = mdContext->i[1] = (uint32_t)0;
hjjeon 0:7a9cde4dbf0b 121
hjjeon 0:7a9cde4dbf0b 122 /* Load magic initialization constants. */
hjjeon 0:7a9cde4dbf0b 123 mdContext->buf[0] = (uint32_t)0x67452301UL;
hjjeon 0:7a9cde4dbf0b 124 mdContext->buf[1] = (uint32_t)0xefcdab89UL;
hjjeon 0:7a9cde4dbf0b 125 mdContext->buf[2] = (uint32_t)0x98badcfeUL;
hjjeon 0:7a9cde4dbf0b 126 mdContext->buf[3] = (uint32_t)0x10325476UL;
hjjeon 0:7a9cde4dbf0b 127 }
hjjeon 0:7a9cde4dbf0b 128
hjjeon 0:7a9cde4dbf0b 129 /* The routine MD5Update updates the message-digest context to
hjjeon 0:7a9cde4dbf0b 130 account for the presence of each of the characters inBuf[0..inLen-1]
hjjeon 0:7a9cde4dbf0b 131 in the message whose digest is being computed.
hjjeon 0:7a9cde4dbf0b 132 */
hjjeon 0:7a9cde4dbf0b 133 void
hjjeon 0:7a9cde4dbf0b 134 MD5Update(MD5_CTX *mdContext, unsigned char *inBuf, unsigned int inLen)
hjjeon 0:7a9cde4dbf0b 135 {
hjjeon 0:7a9cde4dbf0b 136 uint32_t in[16];
hjjeon 0:7a9cde4dbf0b 137 int mdi;
hjjeon 0:7a9cde4dbf0b 138 unsigned int i, ii;
hjjeon 0:7a9cde4dbf0b 139
hjjeon 0:7a9cde4dbf0b 140 #if 0
hjjeon 0:7a9cde4dbf0b 141 PPPDEBUG(LOG_INFO, ("MD5Update: %u:%.*H\n", inLen, LWIP_MIN(inLen, 20) * 2, inBuf));
hjjeon 0:7a9cde4dbf0b 142 PPPDEBUG(LOG_INFO, ("MD5Update: %u:%s\n", inLen, inBuf));
hjjeon 0:7a9cde4dbf0b 143 #endif
hjjeon 0:7a9cde4dbf0b 144
hjjeon 0:7a9cde4dbf0b 145 /* compute number of bytes mod 64 */
hjjeon 0:7a9cde4dbf0b 146 mdi = (int)((mdContext->i[0] >> 3) & 0x3F);
hjjeon 0:7a9cde4dbf0b 147
hjjeon 0:7a9cde4dbf0b 148 /* update number of bits */
hjjeon 0:7a9cde4dbf0b 149 if ((mdContext->i[0] + ((uint32_t)inLen << 3)) < mdContext->i[0]) {
hjjeon 0:7a9cde4dbf0b 150 mdContext->i[1]++;
hjjeon 0:7a9cde4dbf0b 151 }
hjjeon 0:7a9cde4dbf0b 152 mdContext->i[0] += ((uint32_t)inLen << 3);
hjjeon 0:7a9cde4dbf0b 153 mdContext->i[1] += ((uint32_t)inLen >> 29);
hjjeon 0:7a9cde4dbf0b 154
hjjeon 0:7a9cde4dbf0b 155 while (inLen--) {
hjjeon 0:7a9cde4dbf0b 156 /* add new character to buffer, increment mdi */
hjjeon 0:7a9cde4dbf0b 157 mdContext->in[mdi++] = *inBuf++;
hjjeon 0:7a9cde4dbf0b 158
hjjeon 0:7a9cde4dbf0b 159 /* transform if necessary */
hjjeon 0:7a9cde4dbf0b 160 if (mdi == 0x40) {
hjjeon 0:7a9cde4dbf0b 161 for (i = 0, ii = 0; i < 16; i++, ii += 4) {
hjjeon 0:7a9cde4dbf0b 162 in[i] = (((uint32_t)mdContext->in[ii+3]) << 24) |
hjjeon 0:7a9cde4dbf0b 163 (((uint32_t)mdContext->in[ii+2]) << 16) |
hjjeon 0:7a9cde4dbf0b 164 (((uint32_t)mdContext->in[ii+1]) << 8) |
hjjeon 0:7a9cde4dbf0b 165 ((uint32_t)mdContext->in[ii]);
hjjeon 0:7a9cde4dbf0b 166 }
hjjeon 0:7a9cde4dbf0b 167 Transform (mdContext->buf, in);
hjjeon 0:7a9cde4dbf0b 168 mdi = 0;
hjjeon 0:7a9cde4dbf0b 169 }
hjjeon 0:7a9cde4dbf0b 170 }
hjjeon 0:7a9cde4dbf0b 171 }
hjjeon 0:7a9cde4dbf0b 172
hjjeon 0:7a9cde4dbf0b 173 /* The routine MD5Final terminates the message-digest computation and
hjjeon 0:7a9cde4dbf0b 174 ends with the desired message digest in mdContext->digest[0...15].
hjjeon 0:7a9cde4dbf0b 175 */
hjjeon 0:7a9cde4dbf0b 176 void
hjjeon 0:7a9cde4dbf0b 177 MD5Final (unsigned char hash[], MD5_CTX *mdContext)
hjjeon 0:7a9cde4dbf0b 178 {
hjjeon 0:7a9cde4dbf0b 179 uint32_t in[16];
hjjeon 0:7a9cde4dbf0b 180 int mdi;
hjjeon 0:7a9cde4dbf0b 181 unsigned int i, ii;
hjjeon 0:7a9cde4dbf0b 182 unsigned int padLen;
hjjeon 0:7a9cde4dbf0b 183
hjjeon 0:7a9cde4dbf0b 184 /* save number of bits */
hjjeon 0:7a9cde4dbf0b 185 in[14] = mdContext->i[0];
hjjeon 0:7a9cde4dbf0b 186 in[15] = mdContext->i[1];
hjjeon 0:7a9cde4dbf0b 187
hjjeon 0:7a9cde4dbf0b 188 /* compute number of bytes mod 64 */
hjjeon 0:7a9cde4dbf0b 189 mdi = (int)((mdContext->i[0] >> 3) & 0x3F);
hjjeon 0:7a9cde4dbf0b 190
hjjeon 0:7a9cde4dbf0b 191 /* pad out to 56 mod 64 */
hjjeon 0:7a9cde4dbf0b 192 padLen = (mdi < 56) ? (56 - mdi) : (120 - mdi);
hjjeon 0:7a9cde4dbf0b 193 MD5Update (mdContext, PADDING, padLen);
hjjeon 0:7a9cde4dbf0b 194
hjjeon 0:7a9cde4dbf0b 195 /* append length in bits and transform */
hjjeon 0:7a9cde4dbf0b 196 for (i = 0, ii = 0; i < 14; i++, ii += 4) {
hjjeon 0:7a9cde4dbf0b 197 in[i] = (((uint32_t)mdContext->in[ii+3]) << 24) |
hjjeon 0:7a9cde4dbf0b 198 (((uint32_t)mdContext->in[ii+2]) << 16) |
hjjeon 0:7a9cde4dbf0b 199 (((uint32_t)mdContext->in[ii+1]) << 8) |
hjjeon 0:7a9cde4dbf0b 200 ((uint32_t)mdContext->in[ii]);
hjjeon 0:7a9cde4dbf0b 201 }
hjjeon 0:7a9cde4dbf0b 202 Transform (mdContext->buf, in);
hjjeon 0:7a9cde4dbf0b 203
hjjeon 0:7a9cde4dbf0b 204 /* store buffer in digest */
hjjeon 0:7a9cde4dbf0b 205 for (i = 0, ii = 0; i < 4; i++, ii += 4) {
hjjeon 0:7a9cde4dbf0b 206 mdContext->digest[ii] = (unsigned char)(mdContext->buf[i] & 0xFF);
hjjeon 0:7a9cde4dbf0b 207 mdContext->digest[ii+1] =
hjjeon 0:7a9cde4dbf0b 208 (unsigned char)((mdContext->buf[i] >> 8) & 0xFF);
hjjeon 0:7a9cde4dbf0b 209 mdContext->digest[ii+2] =
hjjeon 0:7a9cde4dbf0b 210 (unsigned char)((mdContext->buf[i] >> 16) & 0xFF);
hjjeon 0:7a9cde4dbf0b 211 mdContext->digest[ii+3] =
hjjeon 0:7a9cde4dbf0b 212 (unsigned char)((mdContext->buf[i] >> 24) & 0xFF);
hjjeon 0:7a9cde4dbf0b 213 }
hjjeon 0:7a9cde4dbf0b 214 //SMEMCPY(hash, mdContext->digest, 16);
hjjeon 0:7a9cde4dbf0b 215 memcpy(hash, mdContext->digest, 16);
hjjeon 0:7a9cde4dbf0b 216 }
hjjeon 0:7a9cde4dbf0b 217
hjjeon 0:7a9cde4dbf0b 218 /* Basic MD5 step. Transforms buf based on in.
hjjeon 0:7a9cde4dbf0b 219 */
hjjeon 0:7a9cde4dbf0b 220 static void
hjjeon 0:7a9cde4dbf0b 221 Transform (uint32_t *buf, uint32_t *in)
hjjeon 0:7a9cde4dbf0b 222 {
hjjeon 0:7a9cde4dbf0b 223 uint32_t a = buf[0], b = buf[1], c = buf[2], d = buf[3];
hjjeon 0:7a9cde4dbf0b 224
hjjeon 0:7a9cde4dbf0b 225 /* Round 1 */
hjjeon 0:7a9cde4dbf0b 226 #define S11 7
hjjeon 0:7a9cde4dbf0b 227 #define S12 12
hjjeon 0:7a9cde4dbf0b 228 #define S13 17
hjjeon 0:7a9cde4dbf0b 229 #define S14 22
hjjeon 0:7a9cde4dbf0b 230 FF ( a, b, c, d, in[ 0], S11, UL(3614090360)); /* 1 */
hjjeon 0:7a9cde4dbf0b 231 FF ( d, a, b, c, in[ 1], S12, UL(3905402710)); /* 2 */
hjjeon 0:7a9cde4dbf0b 232 FF ( c, d, a, b, in[ 2], S13, UL( 606105819)); /* 3 */
hjjeon 0:7a9cde4dbf0b 233 FF ( b, c, d, a, in[ 3], S14, UL(3250441966)); /* 4 */
hjjeon 0:7a9cde4dbf0b 234 FF ( a, b, c, d, in[ 4], S11, UL(4118548399)); /* 5 */
hjjeon 0:7a9cde4dbf0b 235 FF ( d, a, b, c, in[ 5], S12, UL(1200080426)); /* 6 */
hjjeon 0:7a9cde4dbf0b 236 FF ( c, d, a, b, in[ 6], S13, UL(2821735955)); /* 7 */
hjjeon 0:7a9cde4dbf0b 237 FF ( b, c, d, a, in[ 7], S14, UL(4249261313)); /* 8 */
hjjeon 0:7a9cde4dbf0b 238 FF ( a, b, c, d, in[ 8], S11, UL(1770035416)); /* 9 */
hjjeon 0:7a9cde4dbf0b 239 FF ( d, a, b, c, in[ 9], S12, UL(2336552879)); /* 10 */
hjjeon 0:7a9cde4dbf0b 240 FF ( c, d, a, b, in[10], S13, UL(4294925233)); /* 11 */
hjjeon 0:7a9cde4dbf0b 241 FF ( b, c, d, a, in[11], S14, UL(2304563134)); /* 12 */
hjjeon 0:7a9cde4dbf0b 242 FF ( a, b, c, d, in[12], S11, UL(1804603682)); /* 13 */
hjjeon 0:7a9cde4dbf0b 243 FF ( d, a, b, c, in[13], S12, UL(4254626195)); /* 14 */
hjjeon 0:7a9cde4dbf0b 244 FF ( c, d, a, b, in[14], S13, UL(2792965006)); /* 15 */
hjjeon 0:7a9cde4dbf0b 245 FF ( b, c, d, a, in[15], S14, UL(1236535329)); /* 16 */
hjjeon 0:7a9cde4dbf0b 246
hjjeon 0:7a9cde4dbf0b 247 /* Round 2 */
hjjeon 0:7a9cde4dbf0b 248 #define S21 5
hjjeon 0:7a9cde4dbf0b 249 #define S22 9
hjjeon 0:7a9cde4dbf0b 250 #define S23 14
hjjeon 0:7a9cde4dbf0b 251 #define S24 20
hjjeon 0:7a9cde4dbf0b 252 GG ( a, b, c, d, in[ 1], S21, UL(4129170786)); /* 17 */
hjjeon 0:7a9cde4dbf0b 253 GG ( d, a, b, c, in[ 6], S22, UL(3225465664)); /* 18 */
hjjeon 0:7a9cde4dbf0b 254 GG ( c, d, a, b, in[11], S23, UL( 643717713)); /* 19 */
hjjeon 0:7a9cde4dbf0b 255 GG ( b, c, d, a, in[ 0], S24, UL(3921069994)); /* 20 */
hjjeon 0:7a9cde4dbf0b 256 GG ( a, b, c, d, in[ 5], S21, UL(3593408605)); /* 21 */
hjjeon 0:7a9cde4dbf0b 257 GG ( d, a, b, c, in[10], S22, UL( 38016083)); /* 22 */
hjjeon 0:7a9cde4dbf0b 258 GG ( c, d, a, b, in[15], S23, UL(3634488961)); /* 23 */
hjjeon 0:7a9cde4dbf0b 259 GG ( b, c, d, a, in[ 4], S24, UL(3889429448)); /* 24 */
hjjeon 0:7a9cde4dbf0b 260 GG ( a, b, c, d, in[ 9], S21, UL( 568446438)); /* 25 */
hjjeon 0:7a9cde4dbf0b 261 GG ( d, a, b, c, in[14], S22, UL(3275163606)); /* 26 */
hjjeon 0:7a9cde4dbf0b 262 GG ( c, d, a, b, in[ 3], S23, UL(4107603335)); /* 27 */
hjjeon 0:7a9cde4dbf0b 263 GG ( b, c, d, a, in[ 8], S24, UL(1163531501)); /* 28 */
hjjeon 0:7a9cde4dbf0b 264 GG ( a, b, c, d, in[13], S21, UL(2850285829)); /* 29 */
hjjeon 0:7a9cde4dbf0b 265 GG ( d, a, b, c, in[ 2], S22, UL(4243563512)); /* 30 */
hjjeon 0:7a9cde4dbf0b 266 GG ( c, d, a, b, in[ 7], S23, UL(1735328473)); /* 31 */
hjjeon 0:7a9cde4dbf0b 267 GG ( b, c, d, a, in[12], S24, UL(2368359562)); /* 32 */
hjjeon 0:7a9cde4dbf0b 268
hjjeon 0:7a9cde4dbf0b 269 /* Round 3 */
hjjeon 0:7a9cde4dbf0b 270 #define S31 4
hjjeon 0:7a9cde4dbf0b 271 #define S32 11
hjjeon 0:7a9cde4dbf0b 272 #define S33 16
hjjeon 0:7a9cde4dbf0b 273 #define S34 23
hjjeon 0:7a9cde4dbf0b 274 HH ( a, b, c, d, in[ 5], S31, UL(4294588738)); /* 33 */
hjjeon 0:7a9cde4dbf0b 275 HH ( d, a, b, c, in[ 8], S32, UL(2272392833)); /* 34 */
hjjeon 0:7a9cde4dbf0b 276 HH ( c, d, a, b, in[11], S33, UL(1839030562)); /* 35 */
hjjeon 0:7a9cde4dbf0b 277 HH ( b, c, d, a, in[14], S34, UL(4259657740)); /* 36 */
hjjeon 0:7a9cde4dbf0b 278 HH ( a, b, c, d, in[ 1], S31, UL(2763975236)); /* 37 */
hjjeon 0:7a9cde4dbf0b 279 HH ( d, a, b, c, in[ 4], S32, UL(1272893353)); /* 38 */
hjjeon 0:7a9cde4dbf0b 280 HH ( c, d, a, b, in[ 7], S33, UL(4139469664)); /* 39 */
hjjeon 0:7a9cde4dbf0b 281 HH ( b, c, d, a, in[10], S34, UL(3200236656)); /* 40 */
hjjeon 0:7a9cde4dbf0b 282 HH ( a, b, c, d, in[13], S31, UL( 681279174)); /* 41 */
hjjeon 0:7a9cde4dbf0b 283 HH ( d, a, b, c, in[ 0], S32, UL(3936430074)); /* 42 */
hjjeon 0:7a9cde4dbf0b 284 HH ( c, d, a, b, in[ 3], S33, UL(3572445317)); /* 43 */
hjjeon 0:7a9cde4dbf0b 285 HH ( b, c, d, a, in[ 6], S34, UL( 76029189)); /* 44 */
hjjeon 0:7a9cde4dbf0b 286 HH ( a, b, c, d, in[ 9], S31, UL(3654602809)); /* 45 */
hjjeon 0:7a9cde4dbf0b 287 HH ( d, a, b, c, in[12], S32, UL(3873151461)); /* 46 */
hjjeon 0:7a9cde4dbf0b 288 HH ( c, d, a, b, in[15], S33, UL( 530742520)); /* 47 */
hjjeon 0:7a9cde4dbf0b 289 HH ( b, c, d, a, in[ 2], S34, UL(3299628645)); /* 48 */
hjjeon 0:7a9cde4dbf0b 290
hjjeon 0:7a9cde4dbf0b 291 /* Round 4 */
hjjeon 0:7a9cde4dbf0b 292 #define S41 6
hjjeon 0:7a9cde4dbf0b 293 #define S42 10
hjjeon 0:7a9cde4dbf0b 294 #define S43 15
hjjeon 0:7a9cde4dbf0b 295 #define S44 21
hjjeon 0:7a9cde4dbf0b 296 II ( a, b, c, d, in[ 0], S41, UL(4096336452)); /* 49 */
hjjeon 0:7a9cde4dbf0b 297 II ( d, a, b, c, in[ 7], S42, UL(1126891415)); /* 50 */
hjjeon 0:7a9cde4dbf0b 298 II ( c, d, a, b, in[14], S43, UL(2878612391)); /* 51 */
hjjeon 0:7a9cde4dbf0b 299 II ( b, c, d, a, in[ 5], S44, UL(4237533241)); /* 52 */
hjjeon 0:7a9cde4dbf0b 300 II ( a, b, c, d, in[12], S41, UL(1700485571)); /* 53 */
hjjeon 0:7a9cde4dbf0b 301 II ( d, a, b, c, in[ 3], S42, UL(2399980690)); /* 54 */
hjjeon 0:7a9cde4dbf0b 302 II ( c, d, a, b, in[10], S43, UL(4293915773)); /* 55 */
hjjeon 0:7a9cde4dbf0b 303 II ( b, c, d, a, in[ 1], S44, UL(2240044497)); /* 56 */
hjjeon 0:7a9cde4dbf0b 304 II ( a, b, c, d, in[ 8], S41, UL(1873313359)); /* 57 */
hjjeon 0:7a9cde4dbf0b 305 II ( d, a, b, c, in[15], S42, UL(4264355552)); /* 58 */
hjjeon 0:7a9cde4dbf0b 306 II ( c, d, a, b, in[ 6], S43, UL(2734768916)); /* 59 */
hjjeon 0:7a9cde4dbf0b 307 II ( b, c, d, a, in[13], S44, UL(1309151649)); /* 60 */
hjjeon 0:7a9cde4dbf0b 308 II ( a, b, c, d, in[ 4], S41, UL(4149444226)); /* 61 */
hjjeon 0:7a9cde4dbf0b 309 II ( d, a, b, c, in[11], S42, UL(3174756917)); /* 62 */
hjjeon 0:7a9cde4dbf0b 310 II ( c, d, a, b, in[ 2], S43, UL( 718787259)); /* 63 */
hjjeon 0:7a9cde4dbf0b 311 II ( b, c, d, a, in[ 9], S44, UL(3951481745)); /* 64 */
hjjeon 0:7a9cde4dbf0b 312
hjjeon 0:7a9cde4dbf0b 313 buf[0] += a;
hjjeon 0:7a9cde4dbf0b 314 buf[1] += b;
hjjeon 0:7a9cde4dbf0b 315 buf[2] += c;
hjjeon 0:7a9cde4dbf0b 316 buf[3] += d;
hjjeon 0:7a9cde4dbf0b 317 }
hjjeon 0:7a9cde4dbf0b 318
hjjeon 0:7a9cde4dbf0b 319